public static async Task <string> GetGeneratedContent(this ITagHelper tagHelper, HtmlEncoder htmlEncoder, string tagName, TagMode tagMode,
TagHelperAttributeList attributes = null)
{
if (attributes == null)
{
attributes = new TagHelperAttributeList();
}
TagHelperOutput output = new TagHelperOutput(tagName, attributes, (arg1, arg2) =>
{
return(Task.Run <TagHelperContent>(() => new DefaultTagHelperContent()));
})
{
TagMode = tagMode
};
TagHelperContext context = new TagHelperContext(attributes, new Dictionary <object, object>(), Guid.NewGuid().ToString());
tagHelper.Init(context);
await tagHelper.ProcessAsync(context, output);
using (var writer = new StringWriter())
{
output.WriteTo(writer, htmlEncoder);
return(writer.ToString());
}
}
public static async Task RunTagHelperAsync(this ITagHelper tagHelper, Options options)
{
if (options.Context == null)
{
options.Context = new TagHelperContext(new TagHelperAttributeList(), new Dictionary <object, object>(), Guid.NewGuid().ToString("N"));
}
if (options.Attributes == null)
{
options.Attributes = new List <TagHelperAttribute>();
}
if (options.TagName == null)
{
options.TagName = tagHelper.GetTagName();
}
var output = new TagHelperOutput(options.TagName, new TagHelperAttributeList(options.Attributes), (b, e) => Task.Factory.StartNew(() => options.Content))
{
TagMode = options.TagMode
};
if (options.InitTagHelper)
{
tagHelper.Init(options.Context);
}
await tagHelper.ProcessAsync(options.Context, output);
}
protected async Task <string> RenderTagHelperAsync(string tagName, TagMode tagMode, ITagHelper tagHelper, TagHelperAttributeList tagHelperAttributes = null)
{
if (tagHelperAttributes == null)
{
tagHelperAttributes = new TagHelperAttributeList();
}
TagHelperOutput output = new TagHelperOutput(tagName, tagHelperAttributes, (useCachedResult, encoder) => { return(Task.Run <TagHelperContent>(() => new DefaultTagHelperContent())); })
{
TagMode = tagMode,
};
TagHelperContext context = new TagHelperContext(tagHelperAttributes, new Dictionary <object, object>(), Guid.NewGuid().ToString());
tagHelper.Init(context);
await tagHelper.ProcessAsync(context, output);
return(output.RenderTag());
}
private async Task <string> GetGeneratedContentFromTagHelper(string tagName, TagMode tagMode,
ITagHelper tagHelper, TagHelperAttributeList attributes = null)
{
if (attributes == null)
{
attributes = new TagHelperAttributeList();
}
TagHelperOutput output = new TagHelperOutput(tagName, attributes, (arg1, arg2) =>
{
return(Task.Run <TagHelperContent>(() => new DefaultTagHelperContent()));
})
{
TagMode = tagMode
};
TagHelperContext context = new TagHelperContext(attributes, new Dictionary <object, object>(), Guid.NewGuid().ToString());
tagHelper.Init(context);
await tagHelper.ProcessAsync(context, output);
return(output.RenderTag(_htmlEncoder));
}